Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. As you can see I didn’t find any active coupon for this product right now…
Link: Banggood product page
Price: -3 USD
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): Cuponation9, COUPONSDE1wk, BGa529d5, BG340a23, BG543396, BG00c906, BG8OFFCOUPON, TTBLACK5, JanBGCoupon8, BG589b2e, BGET12, BGMARCHSALE, BGET10, BGCAPITALOS8, BGCOUPERT8, BG8FORMULAMX, BGBFDAY8, BGNEWYEAR8
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Price history (for all/most countries) for 90W 18V ETFE Universal Solar Panel [EU] is here.
Price records source(s): Banggood
Click on image to enlarge. ![Price history for 90W 18V ETFE Universal Solar Panel [EU]](https://couponsfromchina.com/pricehistory/History37017.png "90W 18V ETFE Universal Solar Panel [EU] price history")
You can set price alert (for Banggood).